Bicolor Blenny (Ecsenius bicolor)
Fish in the family Blenniidae. Easy care. Reef Safe.
Quick facts
Appearance
The Bicolor Blenny is a small, elongated fish with a distinctive two-tone coloration: the anterior half is typically yellow or orange, while the posterior half is dark brown or black. The body is slightly compressed laterally with a blunt head and large eyes. A small cirrus (tentacle-like projection) is present above each eye.
Diet and feeding
In captivity, offer a varied diet of small meaty foods (frozen mysis shrimp, brine shrimp) and herbivorous material (nori sheets, blanched vegetables). They will also graze on algae and detritus in the aquarium.
Difficulty and care for the Bicolor Blenny
The Bicolor Blenny is an excellent choice for beginners and established aquarists alike. It is hardy, adaptable, and does not require specialized care beyond standard reef aquarium conditions.
Common health issues
Parasitic infections (ich, marine ich), bacterial infections, nutritional deficiencies if diet is insufficient
Origin and habitat
Indo-Pacific region, ranging from the Red Sea and East Africa through the Indo-Pacific to Hawaii and French Polynesia, typically found in shallow coral reef environments and rocky areas.
Log Bicolor Blenny in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Bicolor Blenny alongside everything else in your reef.